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10 Steps to Baking the Perfect Vanilla Bean Cake (Baker’s Secret!)

Vanilla Bean Cake

This classic vanilla bean cake elevates simple vanilla flavor to extraordinary heights with real vanilla beans, creating a moist, tender crumb studded with gorgeous vanilla specks. Three layers of buttery cake are filled and frosted with silky vanilla bean buttercream for a dessert that’s elegant in its simplicity yet impressive enough for any celebration. The secret lies in quality ingredients, proper technique, and patience—resulting in bakery-quality cake that proves vanilla is anything but boring.

 

Ingredients

Vanilla Bean Cake:

  • 3 cups cake flour
  • 1 tablespoon baking powder
  • ½ teaspoon salt
  • 1 cup unsalted butter, softened
  • 2 cups granulated sugar
  • 4 large eggs, room temperature
  • 1 cup buttermilk, room temperature
  • ½ cup vegetable oil
  • 2 vanilla beans, split and scraped (or 2 tablespoons vanilla bean paste)
  • 2 teaspoons pure vanilla extract

Vanilla Bean Buttercream:

  • 1½ cups unsalted butter, softened
  • 6 cups powdered sugar, sifted
  • ⅓ cup heavy cream
  • 1 vanilla bean, scraped (or 1 tablespoon vanilla bean paste)
  • 2 teaspoons pure vanilla extract
  • ¼ teaspoon salt

Optional Simple Syrup:

  • ½ cup sugar
  • ½ cup water
  • 1 teaspoon vanilla extract

Instructions

  • Preheat oven to 350°F. Grease and flour three 8-inch round pans, line bottoms with parchment.
  • Split and scrape vanilla beans. Mix seeds with vanilla extract. Set aside.
  • Whisk together cake flour, baking powder, and salt. Set aside.
  • Beat butter 2 minutes until creamy. Add sugar, beat 5-6 minutes on medium-high until very light and fluffy.
  • Add eggs one at a time, beating 30 seconds between additions. Add vanilla mixture, beat until combined.
  • Whisk together buttermilk and oil. With mixer on low, add flour in 3 additions alternating with buttermilk mixture in 2 additions, beginning and ending with flour. Mix just until combined.
  • Divide batter evenly among pans (about 550g each). Tap pans on counter to release air bubbles.
  • Bake 25-30 minutes until toothpick comes out clean and tops spring back. Cool in pans 10 minutes, then turn out onto racks to cool completely.
  • Make buttercream: Beat butter 3-4 minutes until smooth. Add vanilla, then gradually add powdered sugar. Add cream and salt, beat 4-5 minutes until fluffy.
  • Level cakes if needed. Place first layer on plate, spread 1 cup frosting. Repeat with second layer. Add final layer bottom-side up. Apply thin crumb coat, chill 15-20 minutes. Apply final frosting layer and decorate.

Notes

  • Real vanilla beans provide superior flavor and visual appeal; vanilla bean paste is acceptable substitute
  • All ingredients must be room temperature for proper emulsification
  • Use cake flour, not all-purpose, for tender crumb
  • Cream butter and sugar for full 5-6 minutes—this creates light texture
  • Don’t overmix once flour is added—mix just until combined
  • Simple syrup brushed on layers adds moisture and helps cake stay fresh
  • Unfrosted layers freeze beautifully for up to 3 months
  • Fully frosted cake keeps refrigerated for 5 days
  • Bring refrigerated cake to room temperature before serving for best texture
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